There are 3 books in The Lost Book Trilogy series.
The Lost Book Trilogy series does not have a new book coming out soon. The latest book, The Book of Life (Book 3), was published in June 2009.
The first book in The Lost Book Trilogy series, The Book of Secrets, was published in September 2008.
The Lost Book Trilogy series primarily falls into the Action Adventure and Christian genres. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.